Audinaut-subsonic-app-android/app/src/main/java/net/nullsum/audinaut/adapter/SearchAdapter.java

/*
  This file is part of Subsonic.
    Subsonic is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
    Subsonic is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    GNU General Public License for more details.
    You should have received a copy of the GNU General Public License
    along with Subsonic. If not, see <http://www.gnu.org/licenses/>.
    Copyright 2015 (C) Scott Jackson
*/

package net.nullsum.audinaut.adapter;

import android.content.Context;
import android.content.res.Resources;
import android.view.Menu;
import android.view.MenuInflater;

import net.nullsum.audinaut.R;
import net.nullsum.audinaut.domain.MusicDirectory.Entry;
import net.nullsum.audinaut.domain.SearchResult;
import net.nullsum.audinaut.util.ImageLoader;
import net.nullsum.audinaut.util.Util;
import net.nullsum.audinaut.view.AlbumView;
import net.nullsum.audinaut.view.ArtistView;
import net.nullsum.audinaut.view.SongView;
import net.nullsum.audinaut.view.UpdateView;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;

import static net.nullsum.audinaut.adapter.ArtistAdapter.VIEW_TYPE_ARTIST;
import static net.nullsum.audinaut.adapter.EntryGridAdapter.VIEW_TYPE_ALBUM_CELL;
import static net.nullsum.audinaut.adapter.EntryGridAdapter.VIEW_TYPE_ALBUM_LINE;
import static net.nullsum.audinaut.adapter.EntryGridAdapter.VIEW_TYPE_SONG;

public class SearchAdapter extends ExpandableSectionAdapter<Serializable> {
    private static final int MAX_ARTISTS = 10;
    private static final int MAX_ALBUMS = 4;
    private static final int MAX_SONGS = 10;
    private final ImageLoader imageLoader;
    private final boolean largeAlbums;

    public SearchAdapter(Context context, SearchResult searchResult, ImageLoader imageLoader, boolean largeAlbums, OnItemClickedListener listener) {
        this.imageLoader = imageLoader;
        this.largeAlbums = largeAlbums;

        List<List<Serializable>> sections = new ArrayList<>();
        List<String> headers = new ArrayList<>();
        List<Integer> defaultVisible = new ArrayList<>();
        Resources res = context.getResources();
        if (!searchResult.getArtists().isEmpty()) {
            sections.add((List<Serializable>) (List<?>) searchResult.getArtists());
            headers.add(res.getString(R.string.search_artists));
            defaultVisible.add(MAX_ARTISTS);
        }
        if (!searchResult.getAlbums().isEmpty()) {
            sections.add((List<Serializable>) (List<?>) searchResult.getAlbums());
            headers.add(res.getString(R.string.search_albums));
            defaultVisible.add(MAX_ALBUMS);
        }
        if (!searchResult.getSongs().isEmpty()) {
            sections.add((List<Serializable>) (List<?>) searchResult.getSongs());
            headers.add(res.getString(R.string.search_songs));
            defaultVisible.add(MAX_SONGS);
        }
        init(context, headers, sections, defaultVisible);

        this.onItemClickedListener = listener;
        checkable = true;
    }

    @Override
    public UpdateView.UpdateViewHolder onCreateSectionViewHolder(int viewType) {
        UpdateView updateView = null;
        if (viewType == VIEW_TYPE_ALBUM_CELL || viewType == VIEW_TYPE_ALBUM_LINE) {
            updateView = new AlbumView(context, viewType == VIEW_TYPE_ALBUM_CELL);
        } else if (viewType == VIEW_TYPE_SONG) {
            updateView = new SongView(context);
        } else if (viewType == VIEW_TYPE_ARTIST) {
            updateView = new ArtistView(context);
        }

        return new UpdateView.UpdateViewHolder(updateView);
    }

    @Override
    public void onBindViewHolder(UpdateView.UpdateViewHolder holder, Serializable item, int viewType) {
        UpdateView view = holder.getUpdateView();
        if (viewType == VIEW_TYPE_ALBUM_CELL || viewType == VIEW_TYPE_ALBUM_LINE) {
            AlbumView albumView = (AlbumView) view;
            albumView.setObject((Entry) item, imageLoader);
        } else if (viewType == VIEW_TYPE_SONG) {
            SongView songView = (SongView) view;
            songView.setObject((Entry) item, true);
        } else if (viewType == VIEW_TYPE_ARTIST) {
            view.setObject(item);
        }
    }

    @Override
    public int getItemViewType(Serializable item) {
        if (item instanceof Entry) {
            Entry entry = (Entry) item;
            if (entry.isDirectory()) {
                if (largeAlbums) {
                    return VIEW_TYPE_ALBUM_CELL;
                } else {
                    return VIEW_TYPE_ALBUM_LINE;
                }
            } else {
                return VIEW_TYPE_SONG;
            }
        } else {
            return VIEW_TYPE_ARTIST;
        }
    }

    @Override
    public void onCreateActionModeMenu(Menu menu, MenuInflater menuInflater) {
        if (Util.isOffline(context)) {
            menuInflater.inflate(R.menu.multiselect_media_offline, menu);
        } else {
            menuInflater.inflate(R.menu.multiselect_media, menu);
        }

        menu.removeItem(R.id.menu_remove_playlist);
    }
}